PERMFILE127584

• Permit No: C1981020A
• IBM Index Class Name: Permit File
• Doc Date: 1/20/2004
• Section_Exhibit Name: Appendix M‎(vii)‎ to M‎(viii)‎ Hydrologic Data
• Media Type: D
• Archive: Yes

SEDCAD 4 for Windows
r`.....~,.n~ ~°°n oe...om ~ Gn~..ew
Structure Detai/;
Structure #1 (Grass Filter)
Grass Filter Inputs:
Stiffness
Roughness Grass Height Hydraulic Infiltraton Factor Filter Length Filter Width Filter Slope
Coefficient (in) Spacing (in) Rate (iph) (ft) (ft) (°h)
(N-sq m)
0.0200 3.0 3.00 0.15 20.000 2.0 75.0 10.0
Grass Filter Results:
Total Infiltration Volume: 0.0001 ac-ft
Filter Infiltration Rate: 0.0005 cfs
Peak Flow Depth: 0.033 in
Critical Prone Velocity: 1.0367 fps
Wedge Location: 0.14 ft
Sediment Depth in Zane D: 0.1289 in
Trap Effciency: 92.3
Filename: MunTopsoil.sc4 M(viii)-4vi Prin{504-17-2002